hwaf-toolchain: final (?) reimport impl.
all: remove CPPFLAGS/DEFINES hacks (no CMT legacy anymore)
hwaf-base: add FC and LINK_FC to subproc env.
hwaf-project: also handle "-include cstdio"-like arguments
find_root: introduce more linkopts names (ROOT-XMLParser, ROOT-XMLIO, ROOT-TreePlayer)
hwaf-base: make sure copy_uselib creates valid macro (- -> _)
hwaf-project: abspath for INSTALL_AREA
worch: sync with upstream (f37bf9e)